fix(table): method 'where' apply 2 times selection function (#962)

zhiwen95 · web-flow · commit aedd7dd3200c · 2021-07-22T17:21:49.000-04:00
diff --git a/core/src/main/java/tech/tablesaw/api/Table.java b/core/src/main/java/tech/tablesaw/api/Table.java
@@ -758,10 +758,7 @@ public Table where(Selection selection) {
   }
 
   public Table where(Function<Table, Selection> selection) {
-    Table tempTable = where(selection.apply(this));
-    Table newTable = tempTable.emptyCopy(tempTable.rowCount());
-    Rows.copyRowsToTable(selection.apply(this), this, newTable);
-    return newTable;
+    return where(selection.apply(this));
   }
 
   public Table dropWhere(Function<Table, Selection> selection) {

Original file line number	Diff line number	Diff line change
`@@ -758,10 +758,7 @@ public Table where(Selection selection) {`
`758`	`758`	`}`
`759`	`759`
`760`	`760`	`public Table where(Function<Table, Selection> selection) {`
`761`		`- Table tempTable = where(selection.apply(this));`
`762`		`- Table newTable = tempTable.emptyCopy(tempTable.rowCount());`
`763`		`- Rows.copyRowsToTable(selection.apply(this), this, newTable);`
`764`		`- return newTable;`
	`761`	`+ return where(selection.apply(this));`
`765`	`762`	`}`
`766`	`763`
`767`	`764`	`public Table dropWhere(Function<Table, Selection> selection) {`